CN112737594A - 三角积分调制器、集成电路和三角积分方法 - Google Patents

三角积分调制器、集成电路和三角积分方法 Download PDF

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Publication number
CN112737594A
CN112737594A CN202011135148.8A CN202011135148A CN112737594A CN 112737594 A CN112737594 A CN 112737594A CN 202011135148 A CN202011135148 A CN 202011135148A CN 112737594 A CN112737594 A CN 112737594A
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CN
China
Prior art keywords
calibration
comparator
latch
signal
latches
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011135148.8A
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English (en)
Chinese (zh)
Inventor
张晨明
吕西安·约翰内斯·布伦默斯
穆罕默德·博拉特凯尔
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NXP BV
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NXP BV
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Publication date
Application filed by NXP BV filed Critical NXP BV
Publication of CN112737594A publication Critical patent/CN112737594A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
    • H03M3/466—Multiplexed conversion systems
    • H03M3/468—Interleaved, i.e. using multiple converters or converter parts for one channel, e.g. using Hadamard codes, pi-delta-sigma converters
    • H03M3/47—Interleaved, i.e. using multiple converters or converter parts for one channel, e.g. using Hadamard codes, pi-delta-sigma converters using time-division multiplexing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/412—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution
    • H03M3/422—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
    • H03M3/424—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a multiple bit one
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/02—Delta modulation, i.e. one-bit differential modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/10—Calibration or testing
    • H03M1/1004—Calibration or testing without interrupting normal operation, e.g. by providing an additional component for temporarily replacing components to be tested or calibrated
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/10—Calibration or testing
    • H03M1/1009—Calibration
    • H03M1/1033—Calibration over the full range of the converter, e.g. for correcting differential non-linearity
    • H03M1/1057—Calibration over the full range of the converter, e.g. for correcting differential non-linearity by trimming, i.e. by individually adjusting at least part of the quantisation value generators or stages to their nominal values
    • H03M1/1061—Calibration over the full range of the converter, e.g. for correcting differential non-linearity by trimming, i.e. by individually adjusting at least part of the quantisation value generators or stages to their nominal values using digitally programmable trimming circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/322—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M3/352—Continuously compensating for, or preventing, undesired influence of physical parameters of deviations from the desired transfer characteristic
    • H03M3/354—Continuously compensating for, or preventing, undesired influence of physical parameters of deviations from the desired transfer characteristic at one point, i.e. by adjusting a single reference value, e.g. bias or gain error
    • H03M3/356—Offset or drift compensation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/38—Calibration
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/412—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution
    • H03M3/422—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
    • H03M3/43—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a single bit one
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/436—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
    • H03M3/438—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path
    • H03M3/452—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path with weighted feedforward summation, i.e. with feedforward paths from more than one filter stage to the quantiser input
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN202011135148.8A 2019-10-28 2020-10-21 三角积分调制器、集成电路和三角积分方法 Pending CN112737594A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19205542.4 2019-10-28
EP19205542.4A EP3817234A1 (fr) 2019-10-28 2019-10-28 Modulateur sigma delta, circuit intégré et procédé associé

Publications (1)

Publication Number Publication Date
CN112737594A true CN112737594A (zh) 2021-04-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011135148.8A Pending CN112737594A (zh) 2019-10-28 2020-10-21 三角积分调制器、集成电路和三角积分方法

Country Status (3)

Country Link
US (1) US11271585B2 (fr)
EP (1) EP3817234A1 (fr)
CN (1) CN112737594A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114221655A (zh) * 2021-12-18 2022-03-22 武汉力通通信有限公司 一种模数转换器

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4040682A1 (fr) * 2021-02-05 2022-08-10 Imec VZW Circuit de convertisseur analogique-numérique, dispositif de circuit intégré, détecteur de photopléthysmogramme, dispositif portable et procédé de conversion analogique-numérique
CN114173073B (zh) * 2021-12-06 2024-01-23 锐芯微电子股份有限公司 电路结构及其工作方法
US20240106456A1 (en) * 2022-09-22 2024-03-28 Nxp B.V. Sigma-delta adc circuit with bias compensation and microphone circuit having a sigma-delta adc circuit with bias compensation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5257026A (en) * 1992-04-17 1993-10-26 Crystal Semiconductor, Inc. Method and apparatus for calibrating a multi-bit delta-sigma modular
US6271781B1 (en) * 1998-06-10 2001-08-07 Lockheed Martin Corporation Nonlinear filter correction of multibit ΣΔ modulators
US9065464B2 (en) * 2013-09-24 2015-06-23 Broadcom Corporation Phase adjustment scheme for time-interleaved ADCS
CN106416081B (zh) * 2014-06-20 2018-05-15 Hrl实验室有限责任公司 交织调制器
EP3413468A1 (fr) 2017-06-08 2018-12-12 Nxp B.V. Modulateur sigma delta, circuit intégré et procédé associé
FR3085240A1 (fr) * 2018-08-22 2020-02-28 Scalinx Correction d'erreurs d'appariement dans un modulateur delta-sigma multi-bit
US11057048B2 (en) * 2019-05-24 2021-07-06 Microchip Technology Incorporated Ratiometric gain error calibration schemes for delta-sigma ADCs with programmable gain amplifier input stages
US11057047B2 (en) * 2019-05-24 2021-07-06 Microchip Technology Incorporated Ratiometric gain error calibration schemes for delta-sigma ADCs with capacitive gain input stages

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114221655A (zh) * 2021-12-18 2022-03-22 武汉力通通信有限公司 一种模数转换器

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Publication number Publication date
US11271585B2 (en) 2022-03-08
US20210126648A1 (en) 2021-04-29
EP3817234A1 (fr) 2021-05-05

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